The findings suggest that there was no significant difference in the tag quality between the conventional technique (Control) and the 'bleach-etch-seal' technique (Treatment 1). There was no benefit in pre-treating with NaOCl alone (without etch) before sealing. This research also showed that there was a high-predicted probability of obtaining 'poor' sealant tags in MIH enamel, regardless of which of the three treatments was used.

The importance of correct diagnosis and treatment management of an extra oral cutaneous sinus in the paediatric patient only occurred when the child attended a specialist led paediatric dental clinic for consultation.

This was satisfactory and 12 months post-operative the patient reported no further problems or symptoms. It could be seen that the area previously occupied by the cyst had undergone bony infill.